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1  Alternate cryptocurrencies / Mining (Altcoins) / Re: Rig with 4 GPU's, 2 fast, 2 slow on: February 06, 2021, 04:03:04 PM

No it's not the slot......

Open Msi Afterburner and downclock just like what you see in the image below



Power limit = 65%
Core Clock = -502
Memory Clock = -502
Fan speed = 57

This will drastically give you 30MH to 31MH per second on the graphic cards


You sir are my helping hand! It works like a charm !  Cheesy

Thank you so much....

You also know good settings for 1070 cards?

Hi-Fish
2  Alternate cryptocurrencies / Mining (Altcoins) / Re: Rig with 4 GPU's, 2 fast, 2 slow on: February 05, 2021, 11:49:58 PM
The problem stays with the slot(s)....
3  Alternate cryptocurrencies / Mining (Altcoins) / Rig with 4 GPU's, 2 fast, 2 slow on: February 05, 2021, 11:36:05 PM
Hi

I' ve built a new 4 GPU rig and have a weird problem with it....

Hardware:

Mainboard= Asrock Z490 (I had a CPU for it lying around)
CPU= i5 10400
Ram= 2x4GB
PSU= 750W Corsair
GPU's= 4x Nvidia 1660 Super (2 onboard, 2 with riser)

Now my problem is that i've got hashrates around 27Mhs on 2 cards (one in #1 pci-e 16x onboard, one with riser) and only 20Mhs on the other 2 cards (one in #2 pci-e 16x onboard, one with riser).

Things i made/tried to solve the problem:

BIOS update
installed new nvidia driver, using DDU
installed new chipset driver
enabled/disabled above 4k decoding in the BIOS
tried different miners (Phoenix and t-rex)

Nothing changed... Any idea here in the forum?!?

Cheers Hi-Fish

PS: Temps are ok



 


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